翻る

1. Origins, structure, and basic meaning

• Structure: 翻る is read ひるがえる and describes something turning over or fluttering in the wind.
• Basic usage: It means “flutter” for a flag and “reverse” for an attitude or position.

2. Common pitfalls and similar expressions

• Intransitive and transitive forms
  • 態度が翻る describes a change of attitude.
  • 態度を翻す describes someone changing their attitude.
• Past form
  • The past form of 翻る is 翻った.